Vacuum freeze dryer

This vacuum freeze dryer freezes moisture first and then uses the sublimation principle to remove moisture from pre-frozen materials without going through the ice melting process. Moisture sublimates directly from the frozen state to water vapor, thus achieving the goal of freeze-drying. Compared to traditional drying methods, It has advantages such as preserving the flavor, colour, original nutrients without loss and maintain the original structure.

1. Freeze-drying is performed at low temperatures, which makes it particularly suitable for many heat-sensitive substances.
2. Minimal loss of volatile components occurs during low-temperature drying, preserving the original nutritional content.
3. Microbial growth and enzyme activity are inhibited during freeze-drying, thus maintaining the original shape.
4. Drying is done in a frozen state, which produces practically no changes in volume and maintains the original structure without concentration.
5. Dry material is porous and spongy, It rehydrates quickly and completely by adding water and almost instantly recovers to its original shape.
6. As drying occurs under vacuum conditions with minimal oxygen, Provides protection for oxidation-prone substances.
7. Drying removes more of the 95-99% of water content, This allows dry products to be preserved for extended periods without spoilage.

These vacuum freeze dryers are suitable for drying a variety of materials, including active pharmaceutical ingredients, Nutritional Supplements, fruits, vegetables, Instant Foods, Prepared Foods, Pet Food & Chemicals.